APA引文

United States. Dept. of Agriculture. Economic Research Service, United States. World Agricultural Outlook Board, & United States. World Food and Agricultural Outlook and Situation Board. (1981). World agriculture outlook & situation. The Service.

Chicago Style (17th ed.) Citation

United States. Dept. of Agriculture. Economic Research Service, United States. World Agricultural Outlook Board, and United States. World Food and Agricultural Outlook and Situation Board. World Agriculture Outlook & Situation. [Washington, D.C.]: The Service, 1981.

MLA引文

United States. Dept. of Agriculture. Economic Research Service, et al. World Agriculture Outlook & Situation. The Service, 1981.